This information is for reference purposes only. It was current when produced and may now be outdated. Archive material is no longer maintained, and some links may not work. Persons with disabilities having difficulty accessing this information should contact us at: https://info.ahrq.gov. Let us know the nature of the problem, the Web address of what you want, and your contact information.
Please go to www.ahrq.gov for current information.
Figure 9. Percentage of Hospitals That Were High-Volume Providers for Specific Procedures, 1997-2003

*Asterisk denotes a statistically significant difference between 1997 and 2003 data.
Figure 9. Percentage of Hospitals That Were High-Volume Providers for Specific Procedures, 1997-2003 (Text Description)
| Procedures |
1997 |
2003 |
| Abdominal aortic aneurysm repair* |
15.4% |
8.2% |
| Carotoid endarterectomy |
19.2% |
19.4% |
| Lower extremity arterial bypass |
56.0% |
58.1% |
| CABG* |
31.1% |
15.4% |
| PTCA |
49.2% |
52.9% |
| Heart transplantation |
59.6% |
64.3% |
| Pediatric heart surgery |
16.4% |
14.2% |
| Pancreatic cancer surgery* |
10.6% |
16.1% |
| Esophageal cancer surgery |
4.3% |
6.1% |
| Cerebral aneurysm surgery |
7.0% |
10.5% |
Return to Document